Eliminate MediaPlayer & MediaPlayerClient abstractions (fullscreen apis)

Source/web/FullscreenController.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 145 matching lines @@
         willEnterFullScreen();
         didEnterFullScreen();
         return;
     }
 
     if (RuntimeEnabledFeatures::overlayFullscreenVideoEnabled()
         && isHTMLMediaElement(element)
         // FIXME: There is no embedder-side handling in layout test mode.
         && !isRunningLayoutTest()) {
         HTMLMediaElement* mediaElement = toHTMLMediaElement(element);
-        if (mediaElement->player() && mediaElement->player()->canShowFullscreenOverlay()) {
-            mediaElement->player()->showFullscreenOverlay();
+        if (mediaElement->webMediaPlayer() && mediaElement->webMediaPlayer()->canEnterFullscreen()) {
+            mediaElement->webMediaPlayer()->enterFullscreen();
             m_provisionalFullScreenElement = element;
             return;
         }
     }
 
     // We need to transition to fullscreen mode.
     if (WebViewClient* client = m_webViewImpl->client()) {
         if (client->enterFullScreen())
             m_provisionalFullScreenElement = element;
     }
 }
 
 void FullscreenController::exitFullScreenForElement(WebCore::Element* element)
 {
     // The client is exiting full screen, so don't send a notification.
     if (m_isCancelingFullScreen)
         return;
     if (RuntimeEnabledFeatures::overlayFullscreenVideoEnabled()
         && isHTMLMediaElement(element)
         // FIXME: There is no embedder-side handling in layout test mode.
         && !isRunningLayoutTest()) {
         HTMLMediaElement* mediaElement = toHTMLMediaElement(element);
-        if (mediaElement->player())
-            mediaElement->player()->hideFullscreenOverlay();
+        if (mediaElement->webMediaPlayer())
+            mediaElement->webMediaPlayer()->exitFullscreen();
         return;
     }
     if (WebViewClient* client = m_webViewImpl->client())
         client->exitFullScreen();
 }
 
 }